Diagnostic Starting Point - SIR. GMC Truck Canyon Pickup

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2009 🢒 Canyon Pickup - 4WD 🢒 Safety and Security 🢒 Supplemental Inflatable Restraints 🢒 Diagnostic Starting Point - SIR

Begin the system diagnosis with Diagnostic System Check - Vehicle . The Diagnostic System Check - Vehicle will provide the following information:

•	The identification of the control modules which commands the system

•	The ability of the control modules to communicate through the serial data circuit

•	The identification of any stored diagnostic trouble codes (DTC) and their status

The use of Diagnostic System Check - Vehicle will identify the correct procedure for diagnosing the system and where the procedure is located.